发明人郑宇鹏,陈志强,马晓峰. "Method for the Synthesis of 5-tert-Bbutyl 7-ethyl 5-azaspiro[2.4]heptane-5,7-dicarboxylate" [P]. 中国发明专利, 专利号 CN 117737198 B, 授权公告日 2022-11-01.
Anderson J P, Mueller T, O'Brien P Q. "A Process for Preparing High-Purity 5-tert-Bbutyl 7-ethyl 5-azaspiro[2.4]heptane-5,7-dicarboxylate" [P]. US Patent, US 10776547 B2, 2018-07-19.
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